Pith Number

pith:NFM6DW55

pith:2013:NFM6DW55UEXJIRSTLCJ5JJA3OP

not attested not anchored not stored refs pending

A note on homologically smooth connected cochain DG algebras

Jianfeng Xie, Xuefeng Mao

arxiv:1301.4382 v6 · 2013-01-18 · math.RA · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFM6DW55UEXJIRSTLCJ5JJA3OP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:40:16.661772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6959e1dbbda12e9446535893d4a41b73d3228ce4d7c7ff63702924915e045f11

Aliases

arxiv: 1301.4382 · arxiv_version: 1301.4382v6 · doi: 10.48550/arxiv.1301.4382 · pith_short_12: NFM6DW55UEXJ · pith_short_16: NFM6DW55UEXJIRST · pith_short_8: NFM6DW55

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NFM6DW55UEXJIRSTLCJ5JJA3OP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6959e1dbbda12e9446535893d4a41b73d3228ce4d7c7ff63702924915e045f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ffe4b5f1abba26ca5e182cadadaf3c898b34b7ead1e6c0d585f75e1f9d302d",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-01-18T13:45:49Z",
    "title_canon_sha256": "0ce7e689af23b4d139ca9e6a4d2ec8fabaffbea7eb63e432736422dd59dc174c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4382",
    "kind": "arxiv",
    "version": 6
  }
}